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<a href="duye__msg__queue_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/************************************************************************************</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">**  </span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">* @copyright (c) 2013-2100, ChengDu Duyer Technology Co., LTD. All Right Reserved.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">*</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">*************************************************************************************/</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="preprocessor">#pragma once</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="preprocessor">#include &lt;queue&gt;</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="duye__system_8h.html">duye_system.h</a>&gt;</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="keyword">namespace </span>duye {</div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="keyword">static</span> <span class="keyword">const</span> uint64 DEF_QUEUE_SIZE = 1024;</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;  </div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="keyword">typedef</span> <span class="keyword">enum</span> {</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;    MSG_BLOCK = 0,</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;    MSG_NONBLOCK</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;} MsgQueueMode;</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div>
<div class="line"><a name="l00038"></a><span class="lineno"><a class="code" href="classduye_1_1_msg_queue.html">   38</a></span>&#160;<span class="keyword">class </span><a class="code" href="classduye_1_1_msg_queue.html" title="message queue">MsgQueue</a> {</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;    <a class="code" href="classduye_1_1_msg_queue.html#a8cd4bd7655fb54f2fe8ead7b46dae4c4" title="constructor">MsgQueue</a>(<span class="keyword">const</span> uint64 queue_size = DEF_QUEUE_SIZE);</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;    ~<a class="code" href="classduye_1_1_msg_queue.html" title="message queue">MsgQueue</a>();</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;    </div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;    <span class="keywordtype">bool</span> <a class="code" href="classduye_1_1_msg_queue.html#a548220b137a5c2d24448cfc1e83a9684" title="push message">push</a>(T* msg);</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;    </div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;    T* <a class="code" href="classduye_1_1_msg_queue.html#a0cce1b9f7be2398121fe4af6765f4f77" title="pop message">pop</a>(<span class="keyword">const</span> MsgQueueMode&amp; mode = MSG_BLOCK);</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;    T* <a class="code" href="classduye_1_1_msg_queue.html#a0cce1b9f7be2398121fe4af6765f4f77" title="pop message">pop</a>(<span class="keyword">const</span> uint32 timeout);</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;    </div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    std::queue&lt;T*&gt;  m_queue;</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;    <a class="code" href="classduye_1_1_semaphore.html">Semaphore</a>       m_semaphore;</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;    uint64          m_queueSize;</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;};</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div>
<div class="line"><a name="l00074"></a><span class="lineno"><a class="code" href="classduye_1_1_msg_queue.html#a8cd4bd7655fb54f2fe8ead7b46dae4c4">   74</a></span>&#160;<a class="code" href="classduye_1_1_msg_queue.html#a8cd4bd7655fb54f2fe8ead7b46dae4c4" title="constructor">MsgQueue&lt;T&gt;::MsgQueue</a>(<span class="keyword">const</span> uint64 queue_size) : m_queueSize(queue_size) {}</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;<a class="code" href="classduye_1_1_msg_queue.html" title="message queue">MsgQueue&lt;T&gt;::~MsgQueue</a>() {}</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div>
<div class="line"><a name="l00080"></a><span class="lineno"><a class="code" href="classduye_1_1_msg_queue.html#a548220b137a5c2d24448cfc1e83a9684">   80</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="classduye_1_1_msg_queue.html#a548220b137a5c2d24448cfc1e83a9684" title="push message">MsgQueue&lt;T&gt;::push</a>(T* msg) {</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    <span class="keywordflow">if</span> (m_queue.size() &gt;= m_queueSize) {</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;    }</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;    m_queue.push(msg);</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;    m_semaphore.post();</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;    </div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;}</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div>
<div class="line"><a name="l00092"></a><span class="lineno"><a class="code" href="classduye_1_1_msg_queue.html#a0cce1b9f7be2398121fe4af6765f4f77">   92</a></span>&#160;T* <a class="code" href="classduye_1_1_msg_queue.html#a0cce1b9f7be2398121fe4af6765f4f77" title="pop message">MsgQueue&lt;T&gt;::pop</a>(<span class="keyword">const</span> MsgQueueMode&amp; mode) {</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;    <span class="keywordflow">if</span> (m_queue.size() == 0) {</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;        <span class="keywordflow">if</span> (mode == MSG_BLOCK) {</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;            m_semaphore.wait();</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;        }</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;        <span class="keywordflow">else</span> <span class="keywordflow">if</span> (mode == MSG_NONBLOCK) {</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;            <span class="keywordflow">if</span> (!m_semaphore.tryWait()) {</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;                <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;            }</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;        } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;            <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;        }</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;    }</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;    </div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;    T* msg = m_queue.front();</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;    m_queue.pop();</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;    </div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;    <span class="keywordflow">return</span> msg;</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;}</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div>
<div class="line"><a name="l00113"></a><span class="lineno"><a class="code" href="classduye_1_1_msg_queue.html#a539770987afae104b9affdaefd682c5a">  113</a></span>&#160;T* <a class="code" href="classduye_1_1_msg_queue.html#a0cce1b9f7be2398121fe4af6765f4f77" title="pop message">MsgQueue&lt;T&gt;::pop</a>(<span class="keyword">const</span> uint32 timeout) {</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;    <span class="keywordflow">if</span> (m_queue.size() == 0) {</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;        <span class="keywordflow">if</span> (!m_semaphore.timedWait(timeout)) {</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;            <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;        }</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;    }</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;    </div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;    T* msg = m_queue.front();</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;    m_queue.pop();</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;    </div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;    <span class="keywordflow">return</span> msg;</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;}</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;}</div>
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